SmogRank / History / February 22, 2024

Most polluted cities on February 22, 2024

2,127 cities ranked by their average PM2.5 over the day; the worst was N'Djamena, Chad, at 162.0 µg/m³. Each city's own local calendar day.

Bad-air episodes during February 22, 2024. All episodes.

← N'Djamena 162.0 µg/m³ 100 µg/m³15 WHO 24-hour guideline
Every city ranked for February 22, 2024, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1N'DjamenaN’Djaména, Chad
    23710.8×
  2. 2KolkataWest Bengal, India
    1897.3×
  3. 3Ceglie MessapicaApulia, Italy
    1867.0×
  4. 4SalorTashkent Region, Uzbekistan
    1846.9×
  5. 5Ulan BatorUlaanbaatar, Mongolia
    1685.3×
  6. 6Dhakalow-cost sensorsDhaka Division, Bangladesh
    1655.1×
  7. 7Almatylow-cost sensorsAlmaty, Kazakhstan
    1634.8×
  8. 8Peshawarlow-cost sensorsKhyber Pakhtunkhwa, Pakistan
    1594.4×
  9. 9LampangLampang, Thailand
    1574.3×
  10. 10Novi PazarCentral Serbia, Serbia
    1574.2×
  11. 11BraPiedmont, Italy
    1544.0×
  12. 12HyderabadTelangana, India
    1544.0×
  13. 13DelhiDelhi, India
    1533.9×
  14. 14Ubon RatchathaniUbon Ratchathani, Thailand
    1533.9×
  15. 15LamphunLamphun, Thailand
    1523.8×
  16. 16PljevljaPljevlja, Montenegro
    1513.7×
  17. 17MukdahanMukdahan, Thailand
    1483.6×
  18. 18VigevanoLombardy, Italy
    1483.6×
  19. 19YangonYangon, Myanmar
    1463.6×
  20. 20SukhothaiSukhothai, Thailand
    1393.4×
  21. 21Kathmandulow-cost sensorsBagmati Province, Nepal
    1373.4×
  22. 22YasothonYasothon, Thailand
    1353.3×
  23. 23PaviaLombardy, Italy
    1353.3×
  24. 24GuadalajaraJalisco, Mexico
    1333.2×
  25. 25Amnat CharoenAmnat Charoen, Thailand
    1333.2×
  26. 26ČačakCentral Serbia, Serbia
    1313.2×
  27. 26ValjevoCentral Serbia, Serbia
    1313.2×
  28. 28MilanLombardy, Italy
    1303.1×
  29. 29Mae SaiChiang Rai, Thailand
    1283.1×
  30. 30KraljevoCentral Serbia, Serbia
    1283.1×
  31. 31Kamphaeng PhetKamphaeng Phet, Thailand
    1263.0×
  32. 32BorgomaneroPiedmont, Italy
    1263.0×
  33. 33Abujalow-cost sensorsFCT, Nigeria
    1253.0×
  34. 34DushanbeDushanbe, Tajikistan
    1243.0×
  35. 35Sakon NakhonSakon Nakhon, Thailand
    1233.0×
  36. 36MaconGeorgia, United States
    1222.9×
  37. 37Islamabadlow-cost sensorsIslamabad, Pakistan
    1222.9×
  38. 38KalasinKalasin, Thailand
    1202.9×
  39. 39TurinPiedmont, Italy
    1192.9×
  40. 40CairoCairo, Egypt
    1192.9×
  41. 41PirotCentral Serbia, Serbia
    1172.8×
  42. 41MantuaLombardy, Italy
    1172.8×
  43. 41ColumbusGeorgia, United States
    1172.8×
  44. 44TolucaMéxico, Mexico
    1172.8×
  45. 45AlbanyGeorgia, United States
    1162.8×
  46. 46AstanaAstana, Kazakhstan
    1152.8×
  47. 47KavadarciKavadarci, North Macedonia
    1142.7×
  48. 48AlessandriaPiedmont, Italy
    1132.7×
  49. 49Kampalalow-cost sensorsCentral Region, Uganda
    1122.7×
  50. 50PhayaoPhayao, Thailand
    1112.6×
  51. 51NovaraPiedmont, Italy
    1112.6×
  52. 52BellinzonaTicino, Switzerland
    1112.6×
  53. 53Puerto MonttLos Lagos Region, Chile
    1102.6×
  54. 54Si Sa KetSi Sa Ket, Thailand
    1092.6×
  55. 55ChennaiTamil Nadu, India
    1082.6×
  56. 56NišCentral Serbia, Serbia
    1082.6×
  57. 56ComoLombardy, Italy
    1082.6×
  58. 56UžiceCentral Serbia, Serbia
    1082.6×
  59. 59DearbornMichigan, United States
    1072.5×
  60. 60TetovoTetovo, North Macedonia
    1072.5×
  61. 61Udon ThaniUdon Thani, Thailand
    1072.5×
  62. 62LuganoTicino, Switzerland
    1062.5×
  63. 63SalamancaGuanajuato, Mexico
    1062.5×
  64. 64SarajevoFederation of B&H, Bosnia and Herzegovina
    1062.5×
  65. 65Ciudad Benito JuárezNuevo León, Mexico
    1052.5×
  66. 66SzegedCsongrád, Hungary
    1042.4×
  67. 67JohannesburgGauteng, South Africa
    1042.4×
  68. 68StrumicaStrumica, North Macedonia
    1022.4×
  69. 69Khon KaenKhon Kaen, Thailand
    1022.4×
  70. 69LodiLombardy, Italy
    1022.4×
  71. 71Roi EtRoi Et, Thailand
    1012.4×
  72. 71PhraePhrae, Thailand
    1012.4×
  73. 73PodgoricaPodgorica, Montenegro
    1002.4×
  74. 73KalamazooMichigan, United States
    1002.4×
  75. 75Karachilow-cost sensorsSindh, Pakistan
    992.3×
  76. 76LleidaCatalonia, Spain
    992.3×
  77. 77BitolaBitola, North Macedonia
    992.3×
  78. 78Phenix CityAlabama, United States
    982.3×
  79. 78GainesvilleGeorgia, United States
    982.3×
  80. 80Warner RobinsGeorgia, United States
    982.3×
  81. 81KragujevacCentral Serbia, Serbia
    982.3×
  82. 82UttaraditUttaradit, Thailand
    972.3×
  83. 83East RidgeTennessee, United States
    962.2×
  84. 84GreenvilleSouth Carolina, United States
    962.2×
  85. 85CelayaGuanajuato, Mexico
    952.2×
  86. 85SpartanburgSouth Carolina, United States
    952.2×
  87. 87DetroitMichigan, United States
    942.2×
  88. 88ChaiyaphumChaiyaphum, Thailand
    942.1×
  89. 89AguascalientesAguascalientes, Mexico
    942.1×
  90. 90MumbaiMaharashtra, India
    932.1×
  91. 91ShenyangLiaoning, China
    932.1×
  92. 92Nong Bua LamphuNong Bua Lamphu, Thailand
    932.1×
  93. 93PhetchabunPhetchabun, Thailand
    932.1×
  94. 94ErbaLombardy, Italy
    922.1×
  95. 95PančevoVojvodina, Serbia
    922.1×
  96. 96AostaAosta Valley, Italy
    922.1×
  97. 96JenisonMichigan, United States
    922.1×
  98. 98SkopjeGrad Skopje, North Macedonia
    912.0×
  99. 98SurinSurin, Thailand
    912.0×
  100. 100WindsorOntario, Canada
    912.0×
  101. 101East ChicagoIndiana, United States
    912.0×
  102. 102Nakhon RatchasimaNakhon Ratchasima, Thailand
    902.0×
  103. 103ChattanoogaTennessee, United States
    902.0×
  104. 104Saint AndrewsSouth Carolina, United States
    902.0×
  105. 105Forest ParkGeorgia, United States
    892.0×
  106. 105Grand RapidsMichigan, United States
    892.0×
  107. 107AugustaGeorgia, United States
    892.0×
  108. 108Lop BuriLopburi, Thailand
    892.0×
  109. 108LoeiLoei, Thailand
    892.0×
  110. 108AthensGeorgia, United States
    892.0×
  111. 111Santiago de QuerétaroQuerétaro, Mexico
    881.9×
  112. 111FlorenceSouth Carolina, United States
    881.9×
  113. 113Winston-SalemNorth Carolina, United States
    881.9×
  114. 114SmederevoCentral Serbia, Serbia
    881.9×
  115. 114TrentoTrentino-Alto Adige, Italy
    881.9×
  116. 116AthensAttica, Greece
    881.9×
  117. 116HanoiHanoi, Vietnam
    881.9×
  118. 118Si Maha PhotPrachin Buri, Thailand
    871.9×
  119. 118Lincoln ParkMichigan, United States
    871.9×
  120. 120CapannoriTuscany, Italy
    871.9×
  121. 121BirminghamAlabama, United States
    861.9×
  122. 122DziałdowoWarmia-Masuria, Poland
    861.8×
  123. 123AcerraCampania, Italy
    851.8×
  124. 124ZemunCentral Serbia, Serbia
    851.8×
  125. 124GostivarGostivar, North Macedonia
    851.8×
  126. 124LansingMichigan, United States
    851.8×
  127. 127TallahasseeFlorida, United States
    851.8×
  128. 127ClemmonsNorth Carolina, United States
    851.8×
  129. 129KennesawGeorgia, United States
    841.8×
  130. 130Chiang MaiChiang Mai, Thailand
    841.8×
  131. 131PhichitPhichit, Thailand
    841.8×
  132. 132Candler-McAfeeGeorgia, United States
    831.8×
  133. 133RoveretoTrentino-Alto Adige, Italy
    831.7×
  134. 134ReginaSaskatchewan, Canada
    831.7×
  135. 135TarragonaCatalonia, Spain
    821.7×
  136. 135Silao de la VictoriaGuanajuato, Mexico
    821.7×
  137. 135TaylorMichigan, United States
    821.7×
  138. 138McDonoughGeorgia, United States
    821.7×
  139. 139VimercateLombardy, Italy
    821.7×
  140. 140LęborkPomerania, Poland
    811.7×
  141. 141GadsdenAlabama, United States
    811.7×
  142. 142Asunciónlow-cost sensorsAsuncion, Paraguay
    811.7×
  143. 142IndianapolisIndiana, United States
    811.7×
  144. 142ToledoOhio, United States
    811.7×
  145. 145PuertollanoCastille-La Mancha, Spain
    811.7×
  146. 145Santa Anita - Los FicusLima region, Peru
    811.7×
  147. 147OpoleOpole Voivodeship, Poland
    801.7×
  148. 147SalouCatalonia, Spain
    801.7×
  149. 149AugustówPodlasie, Poland
    801.6×
  150. 150DurhamNorth Carolina, United States
    801.6×
  151. 150HollandMichigan, United States
    801.6×
  152. 152ValdostaGeorgia, United States
    801.6×
  153. 152EastpointeMichigan, United States
    801.6×
  154. 154ColumbusOhio, United States
    791.6×
  155. 155GdyniaPomerania, Poland
    791.6×
  156. 155Calumet CityIllinois, United States
    791.6×
  157. 157AsprópyrgosAttica, Greece
    791.6×
  158. 158BrunswickGeorgia, United States
    791.6×
  159. 158HammondIndiana, United States
    791.6×
  160. 158YpsilantiMichigan, United States
    791.6×
  161. 161Sing BuriSing Buri, Thailand
    781.6×
  162. 161Chai NatChai Nat, Thailand
    781.6×
  163. 163Nakhon NayokNakhon Nayok, Thailand
    781.6×
  164. 163BeneventoCampania, Italy
    781.6×
  165. 165Buri RamBuriram, Thailand
    781.6×
  166. 165KnoxvilleTennessee, United States
    781.6×
  167. 167PalmaBalearic Islands, Spain
    781.6×
  168. 167SaskatoonSaskatchewan, Canada
    781.6×
  169. 169GreensboroNorth Carolina, United States
    771.6×
  170. 170IaşiIași County, Romania
    771.5×
  171. 171MiddletownOhio, United States
    771.5×
  172. 171DublinOhio, United States
    771.5×
  173. 173DejCluj County, Romania
    771.5×
  174. 173WheelingWest Virginia, United States
    771.5×
  175. 175Chiang RaiChiang Rai, Thailand
    771.5×
  176. 176JesiThe Marches, Italy
    761.5×
  177. 176CharlotteNorth Carolina, United States
    761.5×
  178. 178Granite CityIllinois, United States
    761.5×
  179. 178DaytonOhio, United States
    761.5×
  180. 178MilwaukeeWisconsin, United States
    761.5×
  181. 181LazarevacCentral Serbia, Serbia
    761.5×
  182. 182ObrenovacCentral Serbia, Serbia
    761.5×
  183. 182IrapuatoGuanajuato, Mexico
    761.5×
  184. 182TrussvilleAlabama, United States
    761.5×
  185. 185ĆuprijaCentral Serbia, Serbia
    761.5×
  186. 185BelgradeCentral Serbia, Serbia
    761.5×
  187. 185Bang NaBangkok, Thailand
    761.5×
  188. 185Mollet del VallèsCatalonia, Spain
    761.5×
  189. 185NacimientoBiobio, Chile
    761.5×
  190. 190AntananarivoAnalamanga, Madagascar
    751.5×
  191. 190WestervilleOhio, United States
    751.5×
  192. 192PátraWest Greece, Greece
    751.5×
  193. 193LučenecBanská Bystrica Region, Slovakia
    751.5×
  194. 194BolzanoTrentino-Alto Adige, Italy
    751.5×
  195. 194NorwoodOhio, United States
    751.5×
  196. 196OlsztynWarmia-Masuria, Poland
    751.5×
  197. 196AtlantaGeorgia, United States
    751.5×
  198. 196WyomingMichigan, United States
    751.5×
  199. 199KanchanaburiKanchanaburi, Thailand
    741.4×
  200. 199San Juan del RíoQuerétaro, Mexico
    741.4×

Top 200 of 2,127 shown.

Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Not covered: the government monitoring networks of China and Turkey, which publish no terms that let us reuse their readings. Most cities there are missing from this board, not clean. Why.

Use this board

SmogRank, most polluted cities, PM2.5, February 22, 2024, smogrank.com/history/2024-02-22 (accessed 3 Oct 2026).

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